IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 342 - 354 of 1022

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Question 342

Question

MCQ▾

If , then x is ________.

Choices

Choice (4)Response

a.

25

b.

14

c.

23

d.

12

Question 343

Question

MCQ▾

Simplify .

Choices

Choice (4)Response

a.

b.

c.

d.

Question 344

Question

MCQ▾

A factor of is ________.

Choices

Choice (4)Response

a.

b.

5

c.

d.

All a., b. and c. are correct

Question 345

Question

MCQ▾

Choices

Choice (4)Response

a.

b.

c.

d.

16

Question 346

Question

MCQ▾

What is the value of at ?

Choices

Choice (4)Response

a.

Discriminant

b.

c

c.

a

d.

0

Question 347

Question

MCQ▾

If then a is ________.

Choices

Choice (4)Response

a.

2

b.

1

c.

0

d.

- 1

Question 348

Question

MCQ▾

The value of x, for which is ________.

Choices

Choice (4)Response

a.

b.

3

c.

d.

1

Question 349

Question

MCQ▾

If , then the value of .

Choices

Choice (4)Response

a.

36

b.

30

c.

33

d.

39

Question 350

Question

MCQ▾

A contractor employed 120 men to build a house in 45 days. After 15 days, he was joined by 30 more men. In how many days will the remaining work be finished?

Choices

Choice (4)Response

a.

20 days

b.

18 days

c.

28 days

d.

24 days

Question 351

Question

MCQ▾

Choices

Choice (4)Response

a.

b.

c.

d.

Question 352

Question

MCQ▾

Power 5 of is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question 353

Question

MCQ▾

The product of is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question 354

Question

MCQ▾

Addition of is________.

Choices

Choice (4)Response

a.

b.

c.

d.